Iran has executed a man who was convicted of killing one of its nuclear scientists, state-run Press TV reported Tuesday.
Reeling from the Fukushima Daiichi nuclear disaster, Tokyo Electric Power Co. (TEPCO) has effectively been nationalized after Tokyo approved a request for a 1 trillion yen ($12.5 billion) injection of capital.
Japan is the first major economy to operate in the modern era without nuclear energy. CNN's Kyung Lah reports.
As Japan began its workweek Monday morning, the trains ran exactly on time, the elevators in thousands of Tokyo high-rises efficiently moved between floors, and the lights turned on across cities with nary a glitch.
A troubled Michigan nuclear power plant cited for safety violations has been taken off line for maintenance and refueling, the plant's owner said Monday.
A large Southern California nuclear plant is out of commission indefinitely, and will remain so until there is an understanding of what caused problems at two of its generators and an effective plan to address the issues, the nation's top nuclear regulator said Friday.
Iran's controversial nuclear program began more than 50 years ago with aid from the West. Now, despite Iran's assurances that its program is purely peaceful, some Western countries, the United Nations and the International Atomic Energy Agency say they're concerned that Iran wants to use the program to create a nuclear weapon. Here's a look at Iran's nuclear program over the years:
Many are sounding the alarm about Iran going nuclear. CNN's Reza Sayah reports on what's behind the rhetoric.
The massive earthquake and tsunami in Japan one year ago understandably raised questions about the safety of America's nuclear energy facilities. Americans should know that all U.S. nuclear energy plant safety systems have been verified by the companies operating them as well as deemed safe by the independent Nuclear Regulatory Commission.
Scores of Japanese citizens filed a lawsuit Monday in an effort to block the restarting of a nuclear power facility as tensions remain over atomic energy in the country a year after the Fukushima Daichi disaster.
The Japanese prime minister issued a sobering and reflective assessment of his country's recovery as it prepares to mark the one year anniversary of a 9.0-magnitude earthquake, tsunami and nuclear meltdown.
CNN gets its first tour inside the Fukushima nuclear plant. CNN's Kyung Lah reports from the meltdown zone.
Two days of talks in Iran went nowhere and the frustration of the global nuclear watchdog agency was palpable in the terse statement it issued afterward.
The Nuclear Regulatory Commission has asked 11 nuclear power plants for information about the computer models they use to test different accident scenarios, saying those models may underestimate how much nuclear fuel will heat up during cooling system failures.
Critics worry about aging U.S. nuclear plants amid what happened in Japan. CNN's Amber Lyon reports.
As the United States prepares to build its first new nuclear power reactors in three decades, concerns about an early generation of plants have resurfaced since last year's disaster in Japan.
CNN's Barbara Starr is reporting that Iran is claiming that they "have mastered the nuclear fuel cycle."
Iran flaunted a new generation of centrifuges and mastery of the nuclear fuel cycle Wednesday as President Mahmoud Ahmadinejad, clad in a white lab coat, was on hand to load domestically made fuel rods into the core of a Tehran reactor.
A nuclear power plant in Covert, Michigan, has been cited for three safety violations, according to the U.S. Nuclear Regulatory Commission, joining two other U.S. nuclear plants in getting extra scrutiny from inspectors.
The U.S. Nuclear Regulatory Commission approved licenses to build two new nuclear reactors Thursday, the first authorized in over 30 years.
The U.S. Nuclear Regulatory Commission is set to approve licenses to build two new nuclear reactors Thursday, the first approvals in over 30 years.
A movement to restart two nuclear reactors in Japan is causing a stir. Kyung Lah reports.
Three years after the Obama administration killed controversial plans to store the nation's nuclear waste permanently at Yucca Mountain in Nevada, a presidential commission said Thursday that the nation needs to adopt a "consent-based approach" to position disposal facilities, gaining the approval of any community before moving forward with future sites.
Workers placed an endoscope into a nuclear reactor at Japan's damaged Fukushima Daiichi nuclear plant Thursday, marking the first glimpse inside one of the crippled reactors.
"Shame on you, shame on you," shouted protestors, as officials met to discuss plans to restart Japan's nuclear plants for the first time since last year's Fukushima disaster.
Israel and the United States are "supporters of state terrorism" and will suffer a "punitive response" at an "opportune time," Iran's Press TV cited a top Iranian general as saying Sunday, days after an Iranian nuclear scientist was killed.
Robert Baer tells Anderson Cooper he believes a dissident group was involved in the death of a nuclear scientist.
Iran has issued an impassioned letter to the United Nations Secretary General charging that the killings of Iranian nuclear scientists were terror attacks that followed a clear pattern -- an assertion the country's ambassador to the United Nations repeated to CNN in an interview Wednesday night.
A nuclear scientist was killed in a blast in Tehran on Wednesday morning, an Iranian news agency reported, in the latest in a string of attacks that Iran has blamed on Israel.
Iran has succeeded in building and testing the country's first domestically produced nuclear fuel rod, the semi-official Fars news agency reported Sunday.
"Sleepy" hasn't been the right word for the electric utility industry in many years, but the business has felt particularly strong zaps lately. The Japanese earthquake and tsunami rewrote the future of nuclear power, which had been in the midst of a renaissance. The Environmental Protection Agency wants to impose the most stringent emissions rules the industry has ever faced. And the rapid development of shale gas in the U.S. could revolutionize electrical generation. These are tense times for any utility -- especially one like Southern Co., which is building a major new nuclear power plant near Augusta, Ga., and generates most of its electricity by burning coal. Running the enterprise since last December has been Tom Fanning, 54, who joined the company right out of Georgia Tech. He's well prepared: Among his 14 previous jobs at the company have been CFO, CIO, strategy chief, and CEO of one of Southern's operating companies, Gulf Power. It helps that Southern is the world's most
Japan's Prime Minister said Friday that a "cold shutdown" has been achieved at the Fukushima Daiichi nuclear power plant, a symbolic milestone that means the plant's crippled reactors have stayed at temperatures below the boiling point for some time.
It was, in the words of one congressman, a "Caine Mutiny," Washington-style.
VICE looks at the "forgotten" nuclear fuel thorium, its passionate followers and its second life courtesy of the internet.
If, like many of the world's leaders, you are eager for a dependable and cheap energy source that doesn't spew toxins and greenhouse gases into the atmosphere -- and that doesn't result in terrible, billion dollar accidents -- you can end your search now.
A Japanese power company restarted a nuclear reactor this week, the first to come back online since a March earthquake and tsunami in the nation.
How's this for a real estate buzz kill?
Using firsthand accounts of coping with the threat of radioactive contamination, several Japanese citizens who lived near the Fukushima Daiichi nuclear power plant hope to convince U.S. officials that nuclear energy poses an unacceptable risk.
A furnace exploded Monday at a nuclear site in France, killing one person and injuring four, a spokeswoman for French energy company EDF told CNN.
An oven exploded at a French nuclear site, killing one person and injuring four, according to French energy company EDF.
Iran plans a ceremony to launch a controversial nuclear power plant Monday, the country's government-backed Press TV reported, making it the first nation in the Middle East to put a civilian nuclear power plant online.
Iran plans a ceremony to launch a controversial nuclear power plant Monday, the country's government-backed Press TV reported, making it the first nation in the Middle East to put a civilian nuclear power plant online.
The Futaba district of Japan's Fukushima prefecture was once defined largely by its farmers and its fishermen, as well as by its vast nuclear complexes that funneled power to Tokyo.
Iran says its Bushehr nuclear power plant is now online, making it the first Middle Eastern country to produce commercial electricity from atomic reactors.
CNN's Kyung Lah reports that Japan is not expecting much from newly-elected prime minister, Yoshihiko Noda.
In his acceptance as elected leader of the ruling Democratic Party, Japan's new Prime Minister Yoshihiko Noda likened his nation's political plight as a snowball falling fast downhill.
Taylor Wilson makes people nervous.
Two nuclear reactors at the North Anna power plant outside Richmond, Va. regained offsite power Wednesday after losing it as the result of the earthquake Tuesday, the plant's owner Dominion Virginia Power told CNN.
Two nuclear reactors at the North Anna power plant outside Richmond, Va. have shut down as a result of the earthquake Tuesday, the Nuclear Regulatory Commission said.
Japan's nuclear safety agency will be placed under the control of the country's Environment Ministry, a top government official announced Monday in a move stemming from the triple meltdown at the Fukushima Daiichi power plant.
Workers at the crippled Fukushima Daiichi nuclear power plant have discovered a radioactive hot spot far more lethal than anything previously recorded at the damaged facility, the plant's owner reported Tuesday.
A presidential commission charged with addressing what to do with the nation's nuclear waste is recommending that a new "federal corporation" be created to solve the problem.
The chairman of the Nuclear Regulatory Commission said Monday the NRC should move quickly on post-Fukushima reforms, saying the commission should draw up proposed changes within 90 days, and the industry should implement them within five years.
A call for stiffened safety rules at American nuclear plants after the March disaster in Japan got mixed reviews from both the industry and its critics Wednesday.
March: Senators convene to see what the U.S. can learn from the nuclear disaster in Japan.
There are 65,000 tons of radioactive waste sitting at nuclear power plants close to major cities around the country.
Japan's Chief Cabinet Secretary Yukio Edano announced Monday a new round of safety tests for the country's nuclear plants in the government's latest bid to gain the public's confidence.
Local government officials criticized Japanese Prime Minister Naoto Kan and his cabinet Thursday for giving mixed signals over the resumption of nuclear power plants shut down since the March 11 earthquake.
Mock commandos who staged attacks on 24 nuclear power plants in pre-announced drills last year were able to "damage" or "destroy" critical targets at two of the plants, according to the Nuclear Regulatory Commission.
Iran has been carrying out covert tests of missiles capable of delivering a nuclear payload, UK Foreign Secretary William Hague said Wednesday, in contravention of a U.N. resolution.
2010: CNN's Joe Johns talks to David Sanger of the New York Times about a WikiLeaks dump.
A contentious crowd of Tokyo Electric Power Company shareholders showed up Tuesday for their first meeting since the March tsunami to grill company executives about the future of the embattled company, as well as nuclear energy in Japan.
The CEO of Fort Calhoun Nuclear Power Plant says what's happening to their plan in Nebraska is not another Fukushima.
Tim Nellenbach is on a mission as he shows a small group of journalists around his workplace. The manager of the Fort Calhoun Nuclear Power Plant and his colleagues are bent on dispelling rumors about the condition of their facility: rumors about a meltdown, about a loss of power. The rumors are patently false, they say, and it's frustrating to have to deal with them while also battling a genuine crisis.
Nebraska's flooded Fort Calhoun nuclear power plant is raising fears that other power plants in the United States are vulnerable to extreme weather events.
The top U.N. nuclear official said a conference on nuclear safety this week "achieved its main goal," paving the way "for an enhanced post-Fukushima global nuclear safety framework."
Workers at the crippled Fukushima Daiichi nuclear power plant have been cleared to open the No. 2 reactor building's airlock to ease sauna-like conditions inside, the plant's owner said Sunday.
Japan's Fukushima Daiichi nuclear power plant experienced full meltdowns at three reactors in the wake of an earthquake and tsunami in March, the country's Nuclear Emergency Response Headquarters said Monday.
Germany's government formally approved a plan Monday to close all the country's nuclear power plants by 2022.
An Energy Department official Wednesday defended the Obama administration's decision to pull the plug on a long-planned Nevada repository for nuclear waste in the face of questions from Congress about whether the move was legal.
In the shadow of the nation's oldest operating nuclear power plant, Alfonse Esposito fishes along Oyster Creek in central New Jersey, where he's caught and eaten bluefish and kingfish for 37 years.
Germany's ruling coalition has agreed to shut down all of the nation's nuclear power plants by 2022.
CNN's Fred Pleitgen reports on how Germany plans to get out of nuclear energy by 2022.
A month after a devastating earthquake sent a wall of water across the Japanese landscape, the global terrain of the atomic power industry has been forever altered.
As some of Japan's foreign residents begin to return, many are still too afraid to come back. CNN's Kyung Lah reports.
Nuclear fuel rods in two more reactors at the damaged Fukushima Daiichi nuclear power plant in Japan are believed to have melted during the first week of the nuclear crisis, the owner of the facility said Tuesday.
Tokyo Electric will release a plan for bringing reactors under control. CNN's Ramy Inocencio reports.
Worse-than-expected damage in one reactor is forcing a change of plans at Japan's Fukushima Daiichi nuclear power plant, but its owners say they still expect to end the 2-month-old crisis by January.
CNN's Kyung Lah reports on the frustration over the lack of progress in recovery efforts in Japan.
A low water level in a reactor building at the damaged Fukushima Daiichi nuclear power plant in Japan may have exposed fuel rods and caused them to melt, the owner of the facility said Thursday.
Japan's tsunami zone struggles to move on, both physically and emotionally, as CNN's Kyung Lah reports.
U.S. safety officials Wednesday called for nuclear power plants to lay out their plans for handling "extreme events" like the disaster that struck Japan two months ago.
When Congress decided to bury the nation's nuclear waste in Yucca Mountain, Nevada, the federal government moved at the pace of a glacier.
A Japanese nuclear plant will shut down its reactors after the country's prime minister warned it was vulnerable to natural disasters, its owner announced Monday.
CNN's Stan Grant got a rare look inside the evacuated region near the Fukushima Daiichi nuclear plant.
Japan's prime minister said Friday he has asked the operator to shut down the nuclear reactors at the Hamaoka nuclear plant until earthquake and tsunami protections can be built.
A special team of federal inspectors are looking into an incident at an Ohio nuclear power plant in which higher-than-normal radiation levels were detected in a work area, the U.S. Nuclear Regulatory Commission said Tuesday.
Ukraine on Tuesday marked the 25th anniversary of the world's worst nuclear disaster with a series of memorials and commemorations at Chernobyl.
Twenty-five years after the Chernobyl nuclear disaster, concerns remain about the safety of the site.
Sweden is set to have the world's first final storage for spent nuclear fuel. CNN's Per Nyberg reports.
Like the energy source itself, it's the question that won't go away: what can be done with spent nuclear fuel?
CNN's Suzanne Malveaux questions a former EPA administrator over the safety and future of nuclear power in the U.S.
The death toll from Japan's earthquake and tsunami rose to nearly 14,000 on Monday as efforts continued to stabilize a crippled nuclear reactor plant.
If you're one of the millions of Americans who get even a portion of your electric power from a nuclear generating plant, for more than three decades you've been paying a tax, whether you realize it or not, to fund the storage of nuclear waste from that plant in a safe place.
Japanese regulators discounted concerns about damage to the still-potent spent fuel from the Fukushima Daiichi nuclear power plant's No. 4 reactor Thursday, saying high radiation levels reported earlier this week "most probably" came from outside debris.
TEPCO releases video of 48-foot wave that crippled Japana's Fukushima Daiichi power plant.
A passenger driving through Japan documents the radiation levels and devastation as he approaches the radiation zone.
Beneath the cherry blossoms of Shiba Park, more than 2,000 people lined up for a Sunday afternoon march calling for Japan's nuclear power stations to be shut down.
Radioactive iodine in seawater around the Fukushima Daiichi nuclear power plant dropped sharply even before workers plugged a water leak believed to be from its crippled No. 2 reactor, the plant's owner said Wednesday night.
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